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利用4 a 的观测、试验资料对太行山区片麻岩裸地区的适生树种选择和沟道治理等问题进行了研究。在3 种片麻岩裸地中,以黑云角闪斜长片麻岩裸地立地条件最好,适宜发展高效经济林;花岗片麻岩裸地次之,适宜发展水保林;片麻状花岗正长岩裸地立地条件最差,不宜直接开发利用,应以封山育林为主,在裸地区的沟道治理中,不宜采用横向谷坊坝,以纵向“护坡堤”为宜。
The 4-year observation and test data were used to study the selection of suitable tree species and channel management in the bare area of gneiss in the Taihang Mountains. Among 3 kinds of gneiss bare land, the best conditions for the black-emerald hornblende gneiss bare land are suitable for the development of high-efficient economic forest; the granite gneiss bare the land, suitable for the development of water and Paul forest; The shape of the granite is the worst. It is not suitable for direct development and utilization. It should be mainly closed hillside afforestation. In the channel management of the bare area, it is not advisable to use the horizontal valley dam to take the longitudinal “slope protection dike” as appropriate.